/*
 * Copyright (c) 2013 - 2019 Jolla Ltd.
 *
 * All rights reserved.
 *
 * This file is part of Sailfish Transfer Engine package.
 *
 * You may use this file under the terms of the GNU Lesser General
 * Public License version 2.1 as published by the Free Software Foundation
 * and appearing in the file license.lgpl included in the packaging
 * of this file.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License version 2.1 as published by the Free Software Foundation
 * and appearing in the file license.lgpl included in the packaging
 * of this file.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 */

#ifndef DBMANAGER_H
#define DBMANAGER_H
#include <QObject>

#include "transferdbrecord.h"
#include "mediatransferinterface.h"

class MediaItem;
class DbManagerPrivate;
class DbManager
{
public:
    static DbManager *instance();

    ~DbManager();

    int createMetadataEntry(int key, const QString &title, const QString &description);

    QStringList callback(int key) const;

    int createCallbackEntry(int key,
                            const QString &service,
                            const QString &path,
                            const QString &interface,
                            const QString &cancelMethod,
                            const QString &restartMethod);

    int createTransferEntry(const MediaItem *mediaItem);

    bool updateTransferStatus(int key, TransferEngineData::TransferStatus status);

    bool updateProgress(int key, qreal progress);

    bool removeTransfer(int key);

    bool clearFailedTransfers(int excludeKey, TransferEngineData::TransferType type);

    bool clearTransfer(int key);

    bool clearTransfers();

    int transferCount() const;

    int activeTransferCount() const;

    QList<TransferDBRecord> transfers() const;

    QList<TransferDBRecord> activeTransfers() const;

    TransferEngineData::TransferType transferType(int key) const;

    TransferEngineData::TransferStatus transferStatus(int key) const;

    qreal transferProgress(int key) const;

    int notificationId(int key);
    bool setNotificationId(int key, int notificationId);

    bool callbackMethods(int key, QString &cancelMethod, QString &restartMethod) const;

    MediaItem * mediaItem(int key) const;

private:
    DbManager();
    QList<TransferDBRecord> transfers(TransferEngineData::TransferStatus status) const;
    DbManagerPrivate *d_ptr;
    Q_DECLARE_PRIVATE(DbManager)
};

#endif // DBMANAGER_H
